41results about How to "Achieve service life" patented technology

The invention discloses a spin coating device. The spin coating device comprises a sealing cabin; a balance part installed in the sealing cabin; a mould clamp connected to the upper part of the balance part; a driving motor for driving the balance part and the mould clamp; a spin coating agent injecting device installed on the outer surface of the sealing cabin; a vacuum device for vacuumizing and de-vacuumizing the sealing cabin; and a balance detecting device which is electrically connected to the outer part of the spin coating device and used for detecting the balance of the entire spin coating device.

A releasable anode liner that is fitted within the interior of the anode of an ion source. The cover permits electrons to be projected into the anode wherein any insulating deposits adhere to the interior of the anode liner, thereby increasing the effective life of the anode without premature replacement or repair.

The invention relates to a leveraged input device micro switch key which can be used in computer peripherals, electronic instruments and man-machine control systems. The leveraged input device micro switch key comprises a switch control body and a PCB (printed circuit board) which are split, and the switch control body can be replaced and chosen as needed. The switch control body comprises a leveraged touch structure, a switch function structure, and a pressing section falling structure. The leveraged touch structure is employed to achieve an amplified trigger stroke through a micro stroke so as to control the switch function structure, and the pressing section falling structure produces clear falling sound of the pressing section of the key. The leveraged touch structure is a sliding lever structure with adjustable pressing force or a fixed lever structure with single fixed pressing force. The switch function structure is a light path type photoelectric switch function structure or a metal contact point / elastic sheet contact type switch function structure.

The invention relates to a suspension device, a mobile chassis and a robot, and the suspension device comprises a driver which is used for being installed on a chassis body; a height adjustment executing part which is in driving connection with the driver, and the driver can drive the height adjustment executing part to move up and down; and a walking wheel system which is movably installed on thechassis body and movably connected with the height adjustment executing piece, and the height adjustment executing piece can drive the walking wheel system to be away from or close to the chassis body. According to the scheme, the suspension device is applied to a robot, is specifically used for being installed on a movable chassis, and can achieve the effect that the height of the chassis body is adjustable. According to the suspension device, lifting adjustment of the movable chassis can be achieved, the passing capacity and safety of the robot for different uneven road surfaces are improved, the service life is prolonged, and the working reliability is guaranteed.

The invention discloses a power carrier illumination system. The power carrier illumination system comprises an intelligent illumination unit and a monitoring unit, wherein the intelligent illumination unit and the monitoring unit are connected through a power carrier network, the intelligent illumination unit is a long illumination terminal, the long illumination terminal comprises two or more illumination lamps, more than one sensing device, an automatic switchover device and an auxiliary power source module, the illumination lamps are connected in parallel and then sequentially connected with the automatic switchover device and an upper carrier control unit in series, a sensor is connected with the upper carrier control unit in parallel, and the auxiliary power source module provides power for the long illumination terminal. The power carrier illumination system has the advantages of providing continuous illumination, having certain fault tolerance at the same time, and achieving the '1+1> 2' effect of the service life of a bulb.

This application relates to modified CHA type molecular sieve and its preparation method and application, especially its application in diesel vehicle exhaust treatment, and belongs to the field of catalytic materials. The molar ratio of silica and alumina in the modified CHA molecular sieve is 24.5~36; the pore volume of the modified CHA molecular sieve is not less than 0.32cm 3 / g; the crystallinity of the modified CHA molecular sieve is reduced by no more than 5% compared to the H-CHA molecular sieve before modification. The initial CHA molecular sieve is subjected to ammonium ion exchange and first roasting to obtain the H-CHA molecular sieve before modification. CHA molecular sieve is then subjected to acid treatment and alkali treatment to obtain a modified CHA molecular sieve. The modified copper-containing CHA molecular sieve prepared by copper exchange with the modified CHA-type molecular sieve has high crystallinity, thereby increasing the service life of the modified copper-containing CHA-type molecular sieve as a catalyst in the selective reduction of ammonia; modified copper-containing CHA Type molecular sieve has a large pore volume and can accommodate more substances that can cause catalyst pore clogging and pore volume reduction, thus extending the catalyst life.

The invention discloses a flame detection device. The flame detection device comprises a shell and a flame detection assembly. The shell comprises a side wall, a bottom plate, a cover plate and two flexible connecting rings, wherein the two flexible connecting rings are used for connecting the side wall and the bottom plate and connecting the side wall and the cover plate, the flexible connecting rings are annular, and the cross section of any point on each flexible connecting ring in the height direction of the flexible connecting ring is in the shape of an arc-shaped plate. The side wall or the cover plate is further provided with glass. The flame detection assembly comprises any one of an infrared detector and an ultraviolet detector. The side wall or the cover plate is further provided with a conduit, and the conduit comprises a threaded base, an abutting threaded rod and a sealing ring. The flame detection device is simple in structure, favorable for preventing connection and sealing of the shell from failing under large thermal stress, favorable for the service life and the precision of the flame detection assembly and favorable for guaranteeing the sealing performance of the shell, and the reliability of the flame detection device is improved.

The invention relates to a modified CHA molecular sieve, and a preparation method and application thereof, in particular to the application to the exhaust gas treatment of diesel vehicles, and belongsto the field of catalytic materials. The molar ratio of silica to alumina in the modified CHA molecular sieve is 24.5 to 36; the pore volume of the modified CHA molecular sieve is not less than 0.32cm<3> / g; the crystallinity of the modified CHA molecular sieve is not more than 5% lower than that of a pre-modified H-CHA molecular sieve, the initial CHA molecular sieve is subjected to ammonium ionexchange and first calcinations to prepare the pre-modified H-CHA molecular sieve, and then is subjected to acid treatment and alkali treatment to prepare the modified CHA molecular sieve. The crystallinity of the modified Cu containing CHA molecular sieve prepared by copper exchange of the modified CHA molecular sieve is high, thus the service life of the modified Cu containing CHA molecular sieve as a catalyst in the selective reduction of ammonia is prolonged; and the pore volume of the modified Cu containing CHA molecular sieve is large, more materials which can cause the blockage of catalyst pore channel and reduction of pore volume can be accommodated, and thus the service life of the catalyst is prolonged.

The invention provides a switch cabinet structure for a high-voltage switch applied in the technical field of removable type switch equipment. The switch cabinet structure is characterized in that the left side of a cabinet door (2) is connected with a cabinet-body left side plate (3) of a cabinet body (1) by a hinge; a supporting part (5) is arranged on a cabinet-door inner surface (4) of the cabinet door (2) and is provided with a roller (6); the cabinet body (1) comprises a cross beam (7) which is provided with a bearing part (8); and when the cabinet door (2) is closed, the roller (6) on the supporting part (5) is set into a structure capable of abutting on the bearing part (8) of the cross beam (7). The switch cabinet structure provided by the invention has the advantages that the structure is simple, and the problem that the cabinet door can not be quickly closed due to drooping caused by heavier own weight can be effectively solved; and simultaneously, when the cabinet door is opened or closed, the sudden closing or opening of the cabinet door can be avoided and secondary line damage can be avoided.

The invention discloses a self-cleaning reaction kettle for processing chocolate sugar. The self-cleaning reaction kettle comprises a base and a kettle body; universal wheels are arranged under the base; fixing plates are respectively arranged on the left side and the right side of the base; each fixing plate is penetrated by a fixing column; the tower end of each fixing column is provided with asucker; a groove is formed in the upper side of the base; a damping pad is arranged in the groove; the upper side of the damping pad is also provided with a groove; a supporting plate is arranged in the groove of the damping pad; the upper side of the supporting plate is provided with supporting columns; the lower end of the kettle body is arranged on the supporting columns; a liquid collecting tank is arranged at the lower end of the outer side of the kettle body; the liquid collecting tank is provided with a liquid outlet; a fixing frame is arranged on one supporting column; a collecting bottle is arranged on the fixing frame; a positioning device is arranged at the lower end of the kettle body; a motor is arranged at the lower end of the positioning device; a rotating shaft extending into the kettle body is arranged at the output end of the motor; the rotating shaft is further symmetrically provided with two groups of connecting rods; and a cleaning brush is connected to the tail end of each connecting rod. The self-cleaning reaction kettle is simple in structure, is convenient to use, is convenient to move, can be cleaned automatically, has good temperature performance and hasa long service life.

The invention discloses a machine tool, a manufacturing method for the machine tool and a mould for casting the machine tool. According to the machine tool, the manufacturing method for the machine tool and the mould for casting the machine tool, the technical problem that positioning nuts in the prior art are fixed on a machine tool body in a welding mode, so that the ability of keeping horizontal of the machine tool is poor, and precision is low is solved. According to the main points of the technical scheme, the positioning nuts needed for the machine tool in the production and machining process are solidified and formed inside the machine tool, so that the connection stability and precision between the positioning nuts and the machine tool body are realized, and accordingly, higher stability and higher horizontal precision are realized when the horizontal degree of the machine tool is adjusted through threaded connection between bolts and the positioning nuts.

The invention provides a processing method of stable colored glazed glass. The processing method includes: board preparation; formation of an anti-acid film, namely forming the anti-acid protective film with pattern structure on the front and back of a board; etching, namely placing in an acid etching solution for etching, and the acid etching solution eroding the surface of exposed glass board toform pattern grooves; preparation of washing liquid; washing, namely placing the glass board in the washing liquid for washing and then drying; semi-toughening; spraying of colored glaze, namely allowing the colored glaze to form a glaze layer on the pattern grooves; stripping; film coating, namely plating Nb2O5 on the front and back by magnetron sputter to form a dimming coating; final tempering. Two semi-toughening treatment is carried out to the glass board before and after spraying colored glaze coating, the influence on the performance of the colored glaze coating can be avoided, the front and back of the glass board are sputtered on the whole surface after spraying the colored glaze, the colored glaze coating can be protected, and the dimming effect of the glass board can be improved.

The invention discloses a prestressed reinforced concrete beam transforming and reinforcing method. A main beam in the vertical direction is supported through jacks and steel pipe columns; floor slabs are supported through steel pipe; concrete surface strain gauges and laser range finders are erected; the steel pipe columns are upwards loaded and jacked through the jacks; the column heads of original reinforced concrete frame columns are heightened; newly-added beams are additionally arranged on the tops of prestressed beams; prestressed steel bars or prestressed steel strands in the prestressed beams are cut off one by one; concrete at the bottom of the prestressed beams are removed and reduced; new bottom surface prestressed steel bars of the prestressed beams are recovered; a new bottom surface is repaired; the prestressed beams are reinforced, so that the stress performance of the prestressed beams is recovered; and the jacks are unloaded, the steel pipe columns and the steel pipes are removed. According to the method, the problems that the overall floor height is small and the clearance does not meet the use requirement due to the fact that the sections of the prestressed beams are high can be solved, it can be ensured that the prestressed beams with the reduced height can have good bearing capacity and stable service life, and the requirements for the overall floor height use function and the building safety level are met.

The invention discloses a device for detecting the service life of magnetic steel, belongs to the technical field of detection equipment, and aims to solve the problems that a conventional detection mode adopts a counting type test method to cause relatively large errors, the detection time is long, and the detection of the service life of the magnetic steel is difficult to accurately measure. When an air cylinder of the magnetic force detection device pushes a convex sliding plate to move, an arc-shaped guide block can drive a detection cylinder to slide up and down, so that a plurality of magnetic steels can be driven to move up and down, magnetic field data changes can be detected at different positions among the plurality of layers of magnetic steels through a magnetic probe, and the service life can be calculated; the detection result is more accurate; the second motor drives the fan blades to rotate in the blade cover, heat dissipation treatment can be conducted on the heat conducting fins through the ventilation pipe, the heating device conducts heating treatment on the magnetic steel through the multiple heat conducting fins, and therefore the service life of the magnetic steel in different temperature environments is prolonged.

The needles (18, 19) of a needle set (17), which substantially agree in their geometry, have butts (28, 29) of different lengths, which have a predetermined breaking point (57, 58). The predetermined breaking points are differently embodied, so that the breaking torques of the butts (28, 29) of the needles (18, 19), which are a part of the set (17), are different. By means of this it is possible, on the one hand, to assuredly prevent damage to the knitting machine, but on the other hand to assure the dependable operation of the needles.

The invention discloses a method for calculating the service life of limestone slope based on the corrosion rate. The method comprises the steps of drafting basic parameters for the calculating the service life of the limestone slope; carrying out stress analysis on a limestone slope sliding body; calculating the effective lengths of the through section and the non-through section of the limestoneslope structural plane after n years of service according to the corrosion rate; calculating shear resistance parameters of the through section of the structural plane after n years of service according to the corrosion attenuation rate of the shear resistance parameters of the through section of the structural plane; establishing a long-term occurrence stability nonlinear mathematical programming model of the limestone slope; and solving the service life of the limestone slope. According to the method, the effective length of the through structural surface in the service period is calculatedaccording to the rock mass corrosion rate of the limestone slope, the shear resistance parameter in the service period is calculated according to the shear resistance parameter corrosion attenuationrate, a long-term occurrence stability nonlinear mathematical programming model of the limestone slope is established on the basis of an objective function, a balance equation and yield conditions, and the problem of mathematical modeling for predicting the service life of the limestone slope is solved.

The invention discloses a U-shaped laser surface microscopic carving overlapping curve air cylinder sleeve. The U-shaped laser surface microscopic carving overlapping curve air cylinder sleeve comprises an air cylinder sleeve body. The air cylinder sleeve body is sequentially divided into a region A, a region B and a region C from top to bottom according to the friction and abrasion degrees, wherein the friction and abrasion degrees of the region A are maximal, the friction and abrasion degrees of the region C come second, and the friction and abrasion degrees of the region B are minimal. The U-shaped laser surface microscopic carving overlapping curve air cylinder sleeve is characterized in that a plurality of layers of first overlapping curve rings are evenly arranged on the inner wall of the region A in the axial direction of the air cylinder sleeve body, each layer of first overlapping curve rings comprises a plurality of first U-shaped overlapping curve grooves which are evenly arranged in the circumferential direction of the air cylinder sleeve body, a plurality of layers of second overlapping curve rings are evenly arranged on the inner wall of the region B and the inner wall of the region C in the axial direction of the air cylinder sleeve body, and each layer of second overlapping curve rings comprises a plurality of second U-shaped overlapping curve grooves which are evenly arranged in the circumferential direction of the air cylinder sleeve. The U-shaped laser surface microscopic carving overlapping curve air cylinder sleeve solves the problem that according to a mechanical honing technology, all random overlapping curves cannot reach consistence and also solves the problem that according to a narrow V-shaped laser honing technology, the air cylinder sleeve performance and the service life stability cannot be reached.

The needles (18, 19) of a needle set (17), which substantially agree in their geometry, have butts (28, 29) of different lengths, which have a predetermined breaking point (57, 58). The predetermined breaking points are differently embodied, so that the breaking torques of the butts (28, 29) of the needles (18, 19), which are a part of the set (17), are different. By means of this it is possible, on the one hand, to assuredly prevent damage to the knitting machine, but on the other hand to assure the dependable operation of the needles.

The invention discloses an efficient rock breaking PDC drill bit, and belongs to the technical field of oil and gas drilling. The drill bit comprises a drill bit body and blades extending from the drill bit body or fixed on the drill bit body, wherein cutting teeth are arranged on tooth surfaces of the blades, drilling fluid flow passages are formed between two adjacent blades, an impact componentis arranged on at least one blade on the drill bit body, rolling grooves are formed in the blades, impact devices rotate along with transmission devices and enter the rolling grooves under the actionof the matched rolling bodies, and the transmission mode of the impact devices is belt transmission. According to the efficient rock breaking PDC drill bit, the structure can carry out impact pre-crushing or pre-damage on rock, and the strength of the rock is reduced; and the matched rolling bodies enter the rolling grooves and then retract into the cutter blade bodies to be not exposed to the bottom of a well, the impact devices can be prevented from being eroded, the impact devices can be completely protected through belt transmission, the situation that the impact devices lose efficacy dueto overlarge loads is avoided, the service life of the impact devices is prolonged, and the drilling efficiency of the drill bit is improved.

The invention discloses a water purification system using an RO membrane and a wastewater solenoid valve for descaling and a water purifier. The system includes a municipal pipe network connection pipe, and the municipal pipe network connection pipe is connected to an ultrafiltration membrane filter element and a descaling container through a pressure reducing valve, an activated carbon filter element is connected to one side of the ultrafiltration membrane filter element, and one side, far away from the ultrafiltration membrane filter element, of the activated carbon filter element is connected to a pressure-stabilizing pump and a purified water outlet pipe; the purified water outlet pipe is provided with a flowmeter, one side of the pressure-stabilizing pump is connected to a reverse osmosis filter element and the output end of a self-priming pump, and the input end of the self-priming pump is connected to the descaling container; and the output end of a reverse osmosis filter element is connected to a post-treatment filter element and a wastewater discharge outlet, the output end of the post-treatment filter element is provided with a pure water outlet pipe, and the purified water outlet pipe and the pure water outlet pipe are both connected to a faucet. The system realizes the descaling of the surface of the RO membrane and the wastewater solenoid valve without disassembling a filter element to the maximum extent, and the service life of the water purifier is prolonged.

The invention provides a double-ceramic-layer thermal barrier coating system and a composite preparation technology thereof, and belongs to the technical field of coating. The double-ceramic-layer thermal barrier coating system includes a bonding layer on a high temperature alloy basal body, a YSZ coating and a lanthanum-cerium oxide coating. The composite preparation technology includes the stepsthat after the high temperature alloy basal body is preprocessed, a dense MCrAlY bonding layer is sprayed on the high temperature alloy basal body by a supersonic speed flame spraying device or explosive spraying, so that the MCrAlY bonding layer is obtained, wherein the HV0.3 of the MCrAlY bonding layer is 300-380, and the surface roughness Ra of the bonding layer is 5.0-9.0[mu]m; and the YSZ coating is sprayed on the surface of the MCrAlY bonding layer by an atmospheric plasma spraying device, and the double-ceramic-layer thermal barrier coating system is obtained. The thermal barrier coating system prepared by the technology has both super-high temperature resistance and satisfactory coating thermal cycling performance, and the thermal cycling life of the thermal barrier coating is prolonged.

The invention discloses a lithium silicon oxide composite material and a preparation method and application thereof. The lithium silicon oxide composite negative electrode is obtained by shearing fossils in the same hole into a silicon oxide frame sample with a single-layer sheet structure and then physically compounding the silicon oxide frame sample with one surface of a lithium sheet, and the lithium sheet is completely covered by the silicon oxide frame sample. The invention provides the application of the lithium silicon oxide composite negative electrode in the lithium metal battery, therate capability and the cycling stability of the lithium battery can be remarkably improved, and the service life of the lithium battery is remarkably prolonged.